use `read` to simplify the creation of an array from a string

diff --git a/eclass/kernel-2.eclass b/eclass/kernel-2.eclass
index 366e5b3b4d25e0b830cb70672b7075e661aecf19..87c0064ee112858af7c97c0f325b6b474a9c3346 100644 (file)
--- a/eclass/kernel-2.eclass
+++ b/eclass/kernel-2.eclass
@@ -1,6 +1,6 @@
 # Copyright 1999-2011 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
-# $Header: /var/cvsroot/gentoo-x86/eclass/kernel-2.eclass,v 1.265 2011/12/02 00:15:46 vapier Exp $
+# $Header: /var/cvsroot/gentoo-x86/eclass/kernel-2.eclass,v 1.266 2011/12/02 01:54:09 vapier Exp $
 
 # Description: kernel.eclass rewrite for a clean base regarding the 2.6
 #              series of kernel with back-compatibility for 2.4
@@ -118,10 +118,8 @@ handle_genpatches() {
        [[ -z ${K_WANT_GENPATCHES} || -z ${K_GENPATCHES_VER} ]] && return 1
 
        debug-print "Inside handle_genpatches"
-       local oldifs=${IFS}
-       export IFS="."
-       local OKV_ARRAY=( $OKV )
-       export IFS=${oldifs}
+       local OKV_ARRAY
+       IFS="." read -r -a OKV_ARRAY <<<"${OKV}"
 
        # for > 3.0 kernels, handle genpatches tarball name
        # genpatches for 3.0 and 3.0.1 might be named
@@ -172,10 +170,8 @@ detect_version() {
 
        KV_MAJOR=$(get_version_component_range 1 ${OKV})
        # handle if OKV is X.Y or X.Y.Z (e.g. 3.0 or 3.0.1)
-       local oldifs=${IFS}
-       export IFS="."
-       local OKV_ARRAY=( $OKV )
-       export IFS=${oldifs}
+       local OKV_ARRAY
+       IFS="." read -r -a OKV_ARRAY <<<"${OKV}"
 
        # if KV_MAJOR >= 3, then we have no more KV_MINOR
        #if [[ ${KV_MAJOR} -lt 3 ]]; then
@@ -572,10 +568,8 @@ unpack_2_6() {
 universal_unpack() {
        debug-print "Inside universal_unpack"
 
-       local oldifs=${IFS}
-       export IFS="."
-       local OKV_ARRAY=( $OKV )
-       export IFS=${oldifs}
+       local OKV_ARRAY
+       IFS="." read -r -a OKV_ARRAY <<<"${OKV}"
 
        cd "${WORKDIR}"
        if [[ ${#OKV_ARRAY[@]} -ge 3 ]] && [[ ${KV_MAJOR} -ge 3 ]]; then